Add Emscripten compat include paths to interpreter initialization

Author: anutosh491

src/xinterpreter.cpp

@@ -45,6 +45,12 @@ void* createInterpreter(const Args &ExtraArgs = {}) {
     ClangArgs.push_back("-isystem");
     ClangArgs.push_back(CxxInclude.c_str());
   }
+
+#ifdef __EMSCRIPTEN__
+  ClangArgs.push_back("-Xclang");
+  ClangArgs.push_back("-iwithsysroot/include/compat");
+#endif
+
   ClangArgs.insert(ClangArgs.end(), ExtraArgs.begin(), ExtraArgs.end());
   // FIXME: We should process the kernel input options and conditionally pass
   // the gpu args here.